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Finding the Fourth Proportional to 168,322.78, 232,284.27 and 92,871.46

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Solution

The fourth proportional to 168,322.78, 232,284.27 and 92,871.46 is: 128,161.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,322.78 : 232,284.27 = 92,871.46 : x
  2. Step 2: Convert to fraction form
    168,322.78/232,284.27 = 92,871.46/x
  3. Step 3: Cross multiply
    168,322.78x = 232,284.27 × 92,871.46
  4. Step 4: Simplify right side
    168,322.78x = 21,572,579,289.93
  5. Step 5: Solve for x
    x = 21,572,579,289.93/168,322.78
  6. Step 6: Final answer
    x = 128,161.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.